Could we have cracked one of the world's toughest climate problems?

image via New Scientist

September 25, 2025, 12:01 AM

• •Cement production is a major source of global carbon emissions.
• •Carbon capture and storage (CCS) is seen as the only scalable way to decarbonize cement production.
• •CCS is expensive but may become more efficient with new technologies.
• •Government subsidies are essential for the commercial viability of CCS in the cement industry.

Commercial-scale carbon-capture systems are being deployed to decarbonize the cement industry, which is responsible for a significant portion of global carbon emissions. A carbon-capture plant is already operational in Norway, with the first 'zero-carbon cement' products set to be delivered, and construction of a similar installation will soon begin in Wales. These developments, supported by government subsidies, could significantly advance the cement industry's efforts to cut emissions by capturing and storing CO2 produced during clinker manufacturing. While the technology is currently expensive, with costs expected to decrease in the future, these projects represent a crucial step in making cement production more sustainable.

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